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comparison pytouhou/ui/sdl/sprite.pyx @ 525:43ecf0f98f4d

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Precalculate the inverse of the texture size at ANM load, to not recalculate at every sprite change.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Wed, 18 Dec 2013 18:15:45 +0100
parents 3d4410de78e1
children db28538cd399
comparison
equal deleted inserted replaced
524:7f016dfbdfb1 525:43ecf0f98f4d
41 y += sprite.dest_offset[1] 41 y += sprite.dest_offset[1]
42 if not sprite.corner_relative_placement: # Reposition 42 if not sprite.corner_relative_placement: # Reposition
43 x -= width / 2 43 x -= width / 2
44 y -= height / 2 44 y -= height / 2
45 45
46 size = sprite.anm.size 46 x_1 = sprite.anm.size_inv[0]
47 x_1 = 1 / <double>size[0] 47 y_1 = sprite.anm.size_inv[1]
48 y_1 = 1 / <double>size[1]
49 tox, toy = sprite.texoffsets 48 tox, toy = sprite.texoffsets
50 uvs = (tx * x_1 + tox, 49 uvs = (tx * x_1 + tox,
51 (tx + tw) * x_1 + tox, 50 (tx + tw) * x_1 + tox,
52 ty * y_1 + toy, 51 ty * y_1 + toy,
53 (ty + th) * y_1 + toy) 52 (ty + th) * y_1 + toy)